International Journal of Geoinformatics最新文献_第4页

Agricultural Land Use Dynamics - A Case Study of Kumkurgan District, Uzbekistan 农业土地利用动态--乌兹别克斯坦库姆库尔干区案例研究

International Journal of Geoinformatics Pub Date : 2023-11-30 DOI: 10.52939/ijg.v19i11.2921

K. Abdivaitov, J. Strobl

{"title":"Agricultural Land Use Dynamics - A Case Study of Kumkurgan District, Uzbekistan","authors":"K. Abdivaitov, J. Strobl","doi":"10.52939/ijg.v19i11.2921","DOIUrl":"https://doi.org/10.52939/ijg.v19i11.2921","url":null,"abstract":"In recent years, many investigators started using global land cover data sets for a variety of purposes. ArcGIS Living Atlas of the World offers access to a collection of geographic information from around the globe to perform different analyses including monitoring the status of agricultural lands. Timely and reliable Land Use and Cover Change information can be used for a better understanding of the dynamics of agricultural land use. Therefore, this research aims at analysing agricultural land loss or expansion in Kumkurgan district, Uzbekistan, using openly available global land cover data sets. Using high-resolution, open, accurate, comparable, and timely global land use/land cover data plays a critically important role in enabling dynamic change analysis. Such analysis has a remarkable impact, particularly for agricultural lands with the aim of their more effective use and addressing the ongoing demand for other land use types. In addition, these maps support agricultural land allocation decisions and further land use planning for sustainable development as well. We performed agricultural areas change analysis leveraging data from the Living Atlas infrastructure between 2017 and 2022, using ArcGIS Pro. To compare the results achieved from globally available online data sets, national summary statistics data on agriculture provided by the Chamber of State Cadastres was used. Our findings indicate that due to hilly terrain, the availability of valuable cropland is limited in comparison to other agricultural land use types like rangeland within the entire study area. Due to state land ownership and centralised planning, mostly two major cash crops - cotton and wheat - are cultivated in these areas. This research is intended as a baseline for ultimately establishing a methodology for the optimisation of agricultural land allocation to specific crops.","PeriodicalId":38707,"journal":{"name":"International Journal of Geoinformatics","volume":" 31","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139197516","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Towards more User-Centered Contributory Citizen Science Initiatives: Learning from the u3Green Approach 实现以用户为中心的公民科学贡献倡议：从 u3Green 方法中学习

International Journal of Geoinformatics Pub Date : 2023-11-30 DOI: 10.52939/ijg.v19i11.291

S. Hennig, Vogler, T. Schötz

{"title":"Towards more User-Centered Contributory Citizen Science Initiatives: Learning from the u3Green Approach","authors":"S. Hennig, Vogler, T. Schötz","doi":"10.52939/ijg.v19i11.291","DOIUrl":"https://doi.org/10.52939/ijg.v19i11.291","url":null,"abstract":"In many citizen science projects the use of geospatial technologies plays an important role. This refers in particular to initiatives where the public contributes spatial data. Along with the benefits, such initiatives also face challenges related to the quantity and quality of data provided. A suitable means of overcoming these problems are user-centered applications. However, since developers often lack a sufficient understanding of the requirements of users from the public, their appropriate involvement in application development is crucial. Despite existing approaches, there is still a need to further improve user involvement in these processes to deliver (more) user-centric applications. This paper contributes to this by presenting experiences from the u 3 Green project. The aim of u 3 Green is to develop an application tailored for young people to contribute spatial data about urban green that support the implementation of child-and youth-friendly cities. To generate a youth-centered application, a project-specific development process was created, which combines strong participatory design with the prototyping model and selected methods to involve young people in all development tasks. Collaborating with young people in this way confirmed several well-known aspects of designing user-centered data contribution solutions but also revealed new, previously unknown criteria for the implementation of user-centered applications.","PeriodicalId":38707,"journal":{"name":"International Journal of Geoinformatics","volume":"29 15","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139205365","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

GIS Based Spatial Modelling of Snow Avalanche Hazard along the North-South Alternative Road 基于地理信息系统的南北替代道路雪崩危害空间模型

International Journal of Geoinformatics Pub Date : 2023-11-30 DOI: 10.52939/ijg.v19i11.2925

N. Ismailov, Chymyrov, A. Bekturov, A. Karagulov

{"title":"GIS Based Spatial Modelling of Snow Avalanche Hazard along the North-South Alternative Road","authors":"N. Ismailov, Chymyrov, A. Bekturov, A. Karagulov","doi":"10.52939/ijg.v19i11.2925","DOIUrl":"https://doi.org/10.52939/ijg.v19i11.2925","url":null,"abstract":"This study aims to investigate the potential of TanDEM-X DEM and geoinformation technology for mapping and assessing avalanche hazard along the North-South alternative road. This new 433kilometer long transportation corridor connects the northern part (from the Balykchy city) with the southern part (to the Jalal-Abad city) of Kyrgyzstan, separated by the Fergana Mountain range. The North-South road under construction should become an strategic automobile route between two parts of the country, an alternative to the existing Bishkek-Osh road, which passes through high mountainous regions. The existing road is subject to congestion and closures in natural emergencies, in cases of territorial disputes of neighbor countries, and affected economic development of the country. The road construction in the high mountainous areas requires a detailed study of all types of natural and man-made hazards and risk assessment. There are many road sections under potential hazards of avalanches, landslides and rock falls. Research and mapping of all types of natural hazards requires the use of modern engineering survey technologies, remote sensing data, geographic information systems and field research. Digital Elevation Models and Digital Surface Models have many advantages providing detailed information about the terrain's topography, which is essential for assessing avalanche hazard and risk. The TanDEM-X DEM gives detailed topographic information, including elevation, surface slope, aspect, and curvature used to identify potential avalanche release areas for assessing avalanche risk and implementing mitigation measures.","PeriodicalId":38707,"journal":{"name":"International Journal of Geoinformatics","volume":"87 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139201749","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Digital Earth Competences Across Disciplines 跨学科的数字地球能力

International Journal of Geoinformatics Pub Date : 2023-11-30 DOI: 10.52939/ijg.v19i11.2917

A. Nazarkulova

{"title":"Digital Earth Competences Across Disciplines","authors":"A. Nazarkulova","doi":"10.52939/ijg.v19i11.2917","DOIUrl":"https://doi.org/10.52939/ijg.v19i11.2917","url":null,"abstract":"Based on an extensive survey of demand (‘needs’) and supply (existing study programs) a framework for trans-disciplinary capacity building in Digital Earth concepts, methods and technologies was developed by the authors. In collaboration with universities from the partner countries Armenia and Kyrgyzstan project funding from the Austrian Development Cooperation was acquired to support implementation. Recognizing the need for an explicit spatial approach from disciplines reaching far beyond the traditional ‘geospatial’ subjects like Geography, Geoinformatics, Geodesy or Planning, the DEvision project addresses study programs like Economics, Ecology, Engineering or Journalism through a focused set of foundational modules implemented as a minor subject or certificate. This vision of a Digital Earth is aligned with general digital transformation in society and business, with implementation of sustainable development goals, and a live-long learning paradigm. Based on modern curriculum concepts and pedagogical concepts like active and blended learning, the DEvision initiative provides a set of five modules as teaching and learning resources. These are primarily set up as open educational resources (OER) supporting teachers, and not intended as self-learning media. Instructors within the respective study programs are expected to guide, mentor and monitor students through assigned online learning materials, or using these resources within existing syllabi and curricula. Overall DEvision follows several clearly defined principles: (i) blended learning based on online resources, (ii) instructor-led pathways aligned with students’ majors, (iii) a modern approach to GIS entirely based on cloud platforms, and (iv) orienting students towards a continuous professional development principle based on online communities.","PeriodicalId":38707,"journal":{"name":"International Journal of Geoinformatics","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139202163","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Analysis of Crop Spectral Reflectance at the Croplands in Eastern Kazakhstan Using Satellite Imagery 利用卫星图像分析哈萨克斯坦东部农田的作物光谱反射率

International Journal of Geoinformatics Pub Date : 2023-11-30 DOI: 10.52939/ijg.v19i11.2923

K. Samarkhanov, M. Sadenova, N. Beisekenov

引用次数: 0

GIS Based Analysis of Land Use Dynamics in Bishkek 基于地理信息系统的比什凯克土地利用动态分析

International Journal of Geoinformatics Pub Date : 2023-11-30 DOI: 10.52939/ijg.v19i11.2927

引用次数: 0

Analysis of Crustal Movements in the Angren-Almalyk Mining Industrial Area Using GNSS Data 利用全球导航卫星系统数据分析安格连-阿尔马利克采矿工业区的地壳运动

International Journal of Geoinformatics Pub Date : 2023-11-30 DOI: 10.52939/ijg.v19i11.2915

{"title":"Analysis of Crustal Movements in the Angren-Almalyk Mining Industrial Area Using GNSS Data","authors":"","doi":"10.52939/ijg.v19i11.2915","DOIUrl":"https://doi.org/10.52939/ijg.v19i11.2915","url":null,"abstract":"This study aims to investigate the potential of GNSS data in earthquake zoning and risk assessment in a seismically active region. The study area is located in Uzbekistan, where the interaction of several tectonic plates results in frequent earthquakes. The study focused on two periods from October to October of the next year, respectively, for 2018 and 2019, 2019 and 2020 to analyze GNSS velocities and earthquake zoning maps to identify areas at high risk of seismic activity. The study also utilized GIS and spline interpolation to create continuous surface maps of risk zones based on earthquake hazard data. The results showed that the entire study area is at high seismic risk, with a tendency for rotational movement in the zone of intersection of tectonic plates. Velocities range from 1.56-20.3 mm/yr and 1.64-14 mm/yr for the two periods. Moreover, the analysis of vertical earth surface displacements indicates a tendency towards soil subsidence in the western part and uplift in the northeastern part of the study area. The study concludes that GNSS analysis can provide valuable insights into seismic hazard assessment and improve our understanding of the tectonic processes leading to earthquakes.","PeriodicalId":38707,"journal":{"name":"International Journal of Geoinformatics","volume":"36 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139207957","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Assessing Spatio-temporal Changes of Floating Aquatic Vegetation in Lake Sevan Using Landsat Imagery and Vegetation Indices 利用大地遥感卫星图像和植被指数评估塞万湖漂浮水生植被的时空变化

International Journal of Geoinformatics Pub Date : 2023-11-30 DOI: 10.52939/ijg.v19i11.2913

{"title":"Assessing Spatio-temporal Changes of Floating Aquatic Vegetation in Lake Sevan Using Landsat Imagery and Vegetation Indices","authors":"","doi":"10.52939/ijg.v19i11.2913","DOIUrl":"https://doi.org/10.52939/ijg.v19i11.2913","url":null,"abstract":"This research was carried out as part of the \"Copernicus assisted environmental monitoring across the Black Sea Basin – PONTOS\" project, which aimed to support and enhance environmental monitoring in the Black Sea Basin region by utilizing Earth Observation products obtained from satellite, airborne, and ground sources. The project team evaluated the environmental monitoring system in pilot sites across Armenia, Greece, Georgia, and Ukraine. The current study focused on assessing changes in wetland and floating vegetation cover from 2009-2015 in Lake Sevan, the largest freshwater source in Armenia and one of the project's pilot sites. Monitoring spatio-temporal changes in aquatic vegetation is crucial for understanding the ecological and socioeconomic functions of lake ecosystems, and requires standardized methods. In order to identify floating aquatic vegetation in Lake Sevan, this study utilized Landsat TM and OLI imagery that were acquired during the main growing season from middle May to middle September of the years 2009-2015. To enhance the classification process, vegetation indices such as the Normalized Difference Vegetation Index (NDVI), Normalized Difference Aquatic Vegetation Index (NDAVI), and Normalized Difference Water Index (NDWI) were applied. The findings of this study indicate that medium-resolution Landsat and similar satellite images, which are freely available, can be effectively used to monitor spatiotemporal changes in lakes in a reproducible and continuous manner. However, it was also discovered that algal blooms can significantly hinder the accurate detection of floating vegetation from satellite imagery.","PeriodicalId":38707,"journal":{"name":"International Journal of Geoinformatics","volume":"10 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139198217","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Integrating Underwater Acoustic Remote Sensing and Soil Investigation Data for Sediment Volume Estimation in Gresik Jasatama Port Pool, Indonesia 基于水声遥感和土壤调查数据的印尼Gresik Jasatama港口池沉积物体积估算

International Journal of Geoinformatics Pub Date : 2023-11-01 DOI: 10.52939/ijg.v19i9.2875

{"title":"Integrating Underwater Acoustic Remote Sensing and Soil Investigation Data for Sediment Volume Estimation in Gresik Jasatama Port Pool, Indonesia","authors":"","doi":"10.52939/ijg.v19i9.2875","DOIUrl":"https://doi.org/10.52939/ijg.v19i9.2875","url":null,"abstract":"Port is one of the transportation networks that connect sea and land transportation. Thus, it can be ensured that there are many activities closely related to port such as planning, implementation, and maintenance. One of the port maintenance activities is dredging. The sea current that is always moving carries sediment towards the port causing sedimentation in the port pool area and preventing the ship from grounding. Maintenance dredging is required to remove sediment deposits in the pool port to maintain the safety depth. Before dredging, the parameter that has to be considered is the sediment type and its thickness in the area of interest. The study utilized underwater acoustic remote sensing instruments such as Sub Bottom Profiler, Side Scan Sonar, and Multibeam Echosounder to determine the type and thickness of sediments in the port pool. The validation process for the sediment types and the Standard Penetration Test value are derived from the soil investigation data. There are six borehole points at the research location which have a Standard Penetration Test value. The research location is in a shallow water area with depth values ranging from 0.5 m to 7.0 m with respect to Low Water Spring. Based on the SSS image interpretation, the research location is dominated by sediment type of clay. The area of interest is 30541.29 m2 and the total volume of the sediment thickness is 82326.7 m3 with respect to the depth design. This sediment volume is dominated by the soft sediment with the volume of 79614.8 m3. The couple of underwater acoustic remote sensing and soil investigation can provide a continuous representation of the sediment thickness and an essential reference for future research on the estimation of sediment volume in the port pool.","PeriodicalId":38707,"journal":{"name":"International Journal of Geoinformatics","volume":"15 4","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135510379","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Impact Assessment of Land Use and Land Cover Change on the Runoff Changes on the Historical Flood Events in the Laigiang River Basin of the South Central Coast Vietnam 越南中南部沿海莱江流域土地利用/覆被变化对历史洪水径流变化的影响评价

International Journal of Geoinformatics Pub Date : 2023-11-01 DOI: 10.52939/https://journals.sfu.ca/ijg/index.php/journal/article/view/2881

引用次数: 0